65472909732 has 18 divisors (see below), whose sum is σ = 165500966358. Its totient is φ = 21824303232.

The previous prime is 65472909713. The next prime is 65472909743. The reversal of 65472909732 is 23790927456.

65472909732 is a `hidden beast` number, since 6 + 547 + 2 + 9 + 0 + 97 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47395031616 + 18077878116 = 217704^2 + 134454^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 909345933 + ... + 909346004.

It is an arithmetic number, because the mean of its divisors is an integer number (9194498131).

Almost surely, 2^65472909732 is an apocalyptic number.

It is an amenable number.

65472909732 is an abundant number, since it is smaller than the sum of its proper divisors (100028056626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65472909732 is a wasteful number, since it uses less digits than its factorization.

65472909732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818691947 (or 1818691942 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 65472909732 in words is "sixty-five billion, four hundred seventy-two million, nine hundred nine thousand, seven hundred thirty-two".